Determining slope and y-intercept
Use the following graph to answer question #3 and #4

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?

What is the circumference of a circle with an area of 50.24 cm²?